volcanicityn.

Brit.

/ˌvɒlkəˈnɪsᵻti/, U.S.

/ˌvɔlkəˈnɪsᵻdi/,

/ˌvɑlkəˈnɪsᵻdi/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: volcanic adj., -ity suffix.

Etymology: < volcanic adj. + -ity suffix (see -icity suffix), probably after French volcanicité (1796 or earlier). Compare earlier volcanity n. and later vulcanicity n.

Volcanic action or activity; volcanic phenomena collectively.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > convulsion > [noun] > volcanic activity

volcanity1793

volcanism1830

volcanicity1832

vulcanicity1848

vulcanism1863

1832 W. Macgillivray Trav. & Researches A. von Humboldt xxviii. 411 Volcanicity, or the influence which the interior of our planet exercises upon its external envelope.

1883 Athenæum 25 Aug. 245 One of those earthquakes called perimetric, that are due to a local volcanicity.

1926 Science 23 Apr. 414/2 Gradations of volcanicity across country are exactly what are found and cited by the authorities as being non-volcanic.

1992 Cambr. Encycl. Human Evol. (1994) v. i. 169/2 Associated with this [sc. subduction] are deep-seated earthquakes and intense volcanicity, sometimes with disastrous results.

2004 P. Hough Understanding Global Security viii. 185 The most familiar threatening image of volcanicity is the sight of molten lava flowing down the hillside.

This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021).

单词	volcanicity
释义	volcanicityn. Brit. /ˌvɒlkəˈnɪsᵻti/, U.S. /ˌvɔlkəˈnɪsᵻdi/, /ˌvɑlkəˈnɪsᵻdi/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: volcanic adj., -ity suffix. Etymology: < volcanic adj. + -ity suffix (see -icity suffix), probably after French volcanicité (1796 or earlier). Compare earlier volcanity n. and later vulcanicity n. Volcanic action or activity; volcanic phenomena collectively. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [noun] > volcanic activity volcanity1793 volcanism1830 volcanicity1832 vulcanicity1848 vulcanism1863 1832 W. Macgillivray Trav. & Researches A. von Humboldt xxviii. 411 Volcanicity, or the influence which the interior of our planet exercises upon its external envelope. 1883 Athenæum 25 Aug. 245 One of those earthquakes called perimetric, that are due to a local volcanicity. 1926 Science 23 Apr. 414/2 Gradations of volcanicity across country are exactly what are found and cited by the authorities as being non-volcanic. 1992 Cambr. Encycl. Human Evol. (1994) v. i. 169/2 Associated with this [sc. subduction] are deep-seated earthquakes and intense volcanicity, sometimes with disastrous results. 2004 P. Hough Understanding Global Security viii. 185 The most familiar threatening image of volcanicity is the sight of molten lava flowing down the hillside. This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021). < n.1832
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